This page will help you learn about the rules & laws in Colorado in the area of Expungements of records of a DUI conviction while under the age of 21 pursuant to §42-4-1715(1)(b)(I). Please read §42-4-1715, C.R.S. to determine if you can file a Petition for Expungement . All forms are available in WORD or Adobe Acrobat (PDF) format. The forms in PDF can be completed online and then printed.